nand2tetris/compiler/backend/lib/programflow.ml

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OCaml
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open! Ast
open! Base
let addr a = "@" ^ a
let label name = "(" ^ name ^ ")"
let translate command name =
match command with
| Label -> [ label name ]
| Goto -> [ addr name; "0;JMP" ]
| Ifgoto -> [ "@SP"; "AM=M-1"; "D=M"; addr name; "D;JNE" ]